<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>复选框测试</title>
</head>
<body>
用户名：<input type="text" name="user_name">
密码：<input type="password" name="pwd">
<input type="checkbox" name="Java">Java
<input type="checkbox" name="Python">Python
<input type="checkbox" name="C++">C++
<input type="checkbox" name="JavaScript">JavaScript
<input type="checkbox" name="HTML">HTML
</body>
</html>
